Cita APA

Stevens, W. L., & Stevens, W. L. Estimation of the brazilian coffee harvest by samplig survey.

Citación estilo Chicago

Stevens, W. L., y W. L. Stevens. Estimation of the Brazilian Coffee Harvest By Samplig Survey.

Cita MLA

Stevens, W. L., y W. L. Stevens. Estimation of the Brazilian Coffee Harvest By Samplig Survey.